612262526431 has 2 divisors, whose sum is σ = 612262526432. Its totient is φ = 612262526430.

The previous prime is 612262526429. The next prime is 612262526441. The reversal of 612262526431 is 134625262216.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612262526431 - 2¹ = 612262526429 is a prime.

It is a super-2 number, since 2×612262526431² (a number of 24 digits) contains 22 as substring.

Together with 612262526429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612262526401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306131263215 + 306131263216.

It is an arithmetic number, because the mean of its divisors is an integer number (306131263216).

Almost surely, 2^612262526431 is an apocalyptic number.

612262526431 is a deficient number, since it is larger than the sum of its proper divisors (1).

612262526431 is an equidigital number, since it uses as much as digits as its factorization.

612262526431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

Adding to 612262526431 its reverse (134625262216), we get a palindrome (746887788647).

The spelling of 612262526431 in words is "six hundred twelve billion, two hundred sixty-two million, five hundred twenty-six thousand, four hundred thirty-one".